yt-dlp/yt-dlp
Oct 2024 – Oct 2025
13 Months active
Languages Used
PythonMarkdownYAMLJavaScriptTOMLShellcfg
Technical Skills
API IntegrationData ExtractionMetadata HandlingWeb ScrapingBackend DevelopmentCLI
sepro
PROFILE
Sepro
Sepro contributed extensively to the yt-dlp/yt-dlp repository, building and refining extraction pipelines for diverse video and audio sources. Over 13 months, Sepro engineered robust solutions for API integration, metadata handling, and authentication, using Python and JavaScript to address evolving platform requirements. Their work included developing new extractors, enhancing format selection logic, and implementing secure token management, all while maintaining code quality through refactoring and comprehensive testing. By focusing on maintainability and reliability, Sepro improved download success rates and broadened platform coverage. Their technical depth is evident in regular expression design, cross-platform compatibility, and the ability to adapt to shifting APIs.
Overall Statistics
Feature vs Bugs
82%Features
Repository Contributions
97Total
Bugs
12
Commits
97
Features
53
Lines of code
12,777
Activity Months13
Your Network
97 people
Work History
October 2025
6 Commits • 5 Features
Oct 1, 2025Summary for 2025-10: The yt-dlp repository delivered targeted feature work and stability improvements across multiple extractors, with emphasis on compatibility, security, and metadata handling. Key features delivered include MuseScore extractor security and metadata improvements, SoundCloud API URL compatibility updates, 10play extractor improvements for token management and ad filtering, Google Drive extractor subtitle/metadata enhancements, and YouTube Web Archive extractor format handling plus test coverage. A notable bug fix addressed VP9 format sort compatibility to prioritize VP9 formats when requested. Overall, these efforts broaden source support, improve extraction reliability, and enhance user experience for downloads and archived content. Technologies demonstrated include secure token generation, evolving API integrations, format sorting logic, subtitle/metadata parsing, and expanded test coverage across extractors.
6 Commits • 5 Features
Oct 1, 2025Summary for 2025-10: The yt-dlp repository delivered targeted feature work and stability improvements across multiple extractors, with emphasis on compatibility, security, and metadata handling. Key features delivered include MuseScore extractor security and metadata improvements, SoundCloud API URL compatibility updates, 10play extractor improvements for token management and ad filtering, Google Drive extractor subtitle/metadata enhancements, and YouTube Web Archive extractor format handling plus test coverage. A notable bug fix addressed VP9 format sort compatibility to prioritize VP9 formats when requested. Overall, these efforts broaden source support, improve extraction reliability, and enhance user experience for downloads and archived content. Technologies demonstrated include secure token generation, evolving API integrations, format sorting logic, subtitle/metadata parsing, and expanded test coverage across extractors.
October 2025
September 2025
17 Commits • 8 Features
Sep 1, 2025September 2025 monthly summary for yt-dlp/yt-dlp focused on compliance, reliability, and platform coverage. Delivered licensing and packaging improvements, reliability upgrades to data extraction, and expanded extractor capabilities across key sources, translating technical work into tangible business value such as legal compliance, maintainability, and broader content coverage.
September 2025
17 Commits • 8 Features
Sep 1, 2025September 2025 monthly summary for yt-dlp/yt-dlp focused on compliance, reliability, and platform coverage. Delivered licensing and packaging improvements, reliability upgrades to data extraction, and expanded extractor capabilities across key sources, translating technical work into tangible business value such as legal compliance, maintainability, and broader content coverage.
August 2025
12 Commits • 9 Features
Aug 1, 2025Month: 2025-08 — Focused on stability, security, UX clarity, and extractor capability enhancements for yt-dlp/yt-dlp. Implemented compatibility updates, platform-specific fixes, and maintenance tasks to boost reliability and developer productivity. Business value delivered includes reduced user confusion, lower support burden, and improved alignment with source providers, while technical achievements improve security, performance, and coverage of popular extractors.
12 Commits • 9 Features
Aug 1, 2025Month: 2025-08 — Focused on stability, security, UX clarity, and extractor capability enhancements for yt-dlp/yt-dlp. Implemented compatibility updates, platform-specific fixes, and maintenance tasks to boost reliability and developer productivity. Business value delivered includes reduced user confusion, lower support burden, and improved alignment with source providers, while technical achievements improve security, performance, and coverage of popular extractors.
August 2025
July 2025
4 Commits • 3 Features
Jul 1, 2025July 2025 (2025-07) performance summary for yt-dlp/yt-dlp: Delivered user-facing feature enhancements and quality-focused maintenance that improve accuracy, source coverage, and long-term maintainability. Key outcomes include explicit control over file modification times during downloads, a new Plyr embed extractor, and a comprehensive maintenance push to upgrade tooling and clean up documentation and tests. These changes reduce user friction, broaden supported sources, and strengthen code quality, enabling more predictable releases and easier future enhancements.
July 2025
4 Commits • 3 Features
Jul 1, 2025July 2025 (2025-07) performance summary for yt-dlp/yt-dlp: Delivered user-facing feature enhancements and quality-focused maintenance that improve accuracy, source coverage, and long-term maintainability. Key outcomes include explicit control over file modification times during downloads, a new Plyr embed extractor, and a comprehensive maintenance push to upgrade tooling and clean up documentation and tests. These changes reduce user friction, broaden supported sources, and strengthen code quality, enabling more predictable releases and easier future enhancements.
June 2025
1 Commits
Jun 1, 2025June 2025 focused on strengthening the reliability of YouTube signature extraction within the jsinterp path of yt-dlp. Key work included a bug fix to the extract_object function to correctly parse object assignments by adjusting the regular expression, accompanied by a regression test to ensure correct extraction of YouTube player signatures and related object structures. The fix was implemented in commit 958153a226214c86879e36211ac191bf78289578 for the yt-dlp/yt-dlp repository. Impact: improves downstream processing stability, reduces download failures due to signature parsing errors, and enhances confidence in long-term maintenance. Technologies/Skills: regex debugging, JavaScript interpretation handling (jsinterp), test-driven development, regression testing, code review, and Git-based collaboration.
1 Commits
Jun 1, 2025June 2025 focused on strengthening the reliability of YouTube signature extraction within the jsinterp path of yt-dlp. Key work included a bug fix to the extract_object function to correctly parse object assignments by adjusting the regular expression, accompanied by a regression test to ensure correct extraction of YouTube player signatures and related object structures. The fix was implemented in commit 958153a226214c86879e36211ac191bf78289578 for the yt-dlp/yt-dlp repository. Impact: improves downstream processing stability, reduces download failures due to signature parsing errors, and enhances confidence in long-term maintenance. Technologies/Skills: regex debugging, JavaScript interpretation handling (jsinterp), test-driven development, regression testing, code review, and Git-based collaboration.
June 2025
May 2025
1 Commits
May 1, 2025May 2025 monthly summary for yt-dlp/yt-dlp: Delivered a key bug fix to the JavaScript interpreter, improving correctness and stability of script evaluation; added regression tests and ensured reliable behavior across pre/post increment/decrement operations. This work reduces edge-case failures in extraction logic and strengthens overall reliability for JS-based processing in the downloader. Focused on delivering business value through accurate interpretation of JS expressions used in format selection and scripting features.
May 2025
1 Commits
May 1, 2025May 2025 monthly summary for yt-dlp/yt-dlp: Delivered a key bug fix to the JavaScript interpreter, improving correctness and stability of script evaluation; added regression tests and ensured reliable behavior across pre/post increment/decrement operations. This work reduces edge-case failures in extraction logic and strengthens overall reliability for JS-based processing in the downloader. Focused on delivering business value through accurate interpretation of JS expressions used in format selection and scripting features.
April 2025
14 Commits • 7 Features
Apr 1, 2025April 2025 (2025-04) delivered substantial reliability and coverage improvements across yt-dlp/yt-dlp with a focus on data accuracy, robust parsing, and expanded source support. The month combined critical bug fixes with notable feature gains that broaden source compatibility, improve user experience, and strengthen maintainability through better architecture and tests.
14 Commits • 7 Features
Apr 1, 2025April 2025 (2025-04) delivered substantial reliability and coverage improvements across yt-dlp/yt-dlp with a focus on data accuracy, robust parsing, and expanded source support. The month combined critical bug fixes with notable feature gains that broaden source compatibility, improve user experience, and strengthen maintainability through better architecture and tests.
April 2025
March 2025
15 Commits • 9 Features
Mar 1, 2025March 2025 monthly summary for yt-dlp/yt-dlp: Focused on reliability, performance, and maintainability across extraction pipelines. Delivered robust YouTube NSIG/signature fixes across updated player versions, refactored nsig caching and extractor logic for faster, more reliable downloads, and standardized title display across social extractors to improve UI readability. Expanded coverage and resilience with an API-based RTP extraction path alongside HTML parsing, MagellanTV extractor robustness, VK metadata enhancements, and timely YouTube client configuration updates. Maintenance work included deprecating Viki/Deezer extractors and introducing a forward-compatible --compat-options 2024 alias, complemented by improvements to JS-to-JSON resilience and broader test coverage. Business impact includes higher end-user download success, broader content coverage, reduced risk from external platform changes, and a cleaner codebase enabling faster iteration.
March 2025
15 Commits • 9 Features
Mar 1, 2025March 2025 monthly summary for yt-dlp/yt-dlp: Focused on reliability, performance, and maintainability across extraction pipelines. Delivered robust YouTube NSIG/signature fixes across updated player versions, refactored nsig caching and extractor logic for faster, more reliable downloads, and standardized title display across social extractors to improve UI readability. Expanded coverage and resilience with an API-based RTP extraction path alongside HTML parsing, MagellanTV extractor robustness, VK metadata enhancements, and timely YouTube client configuration updates. Maintenance work included deprecating Viki/Deezer extractors and introducing a forward-compatible --compat-options 2024 alias, complemented by improvements to JS-to-JSON resilience and broader test coverage. Business impact includes higher end-user download success, broader content coverage, reduced risk from external platform changes, and a cleaner codebase enabling faster iteration.
February 2025
6 Commits • 2 Features
Feb 1, 2025February 2025: Key feature delivery and reliability improvements in yt-dlp/yt-dlp, including BunnyCDN extractor integration and broader URL handling for Dailymotion and CultureUnplugged, resulting in improved content accessibility and robustness across varied link formats. Documentation and templates were enhanced to streamline issue triage and user support. A bug fix hardened the JS interpreter zeroise path and extended tests for numeric and NaN inputs, increasing reliability of JavaScript interpretation in edge cases.
6 Commits • 2 Features
Feb 1, 2025February 2025: Key feature delivery and reliability improvements in yt-dlp/yt-dlp, including BunnyCDN extractor integration and broader URL handling for Dailymotion and CultureUnplugged, resulting in improved content accessibility and robustness across varied link formats. Documentation and templates were enhanced to streamline issue triage and user support. A bug fix hardened the JS interpreter zeroise path and extended tests for numeric and NaN inputs, increasing reliability of JavaScript interpretation in edge cases.
February 2025
January 2025
4 Commits • 3 Features
Jan 1, 2025January 2025 monthly summary for yt-dlp/yt-dlp focusing on delivered features, major fixes, overall impact, and skills demonstrated. Highlights include security-enhanced media access via signed URL support, expanded format and metadata coverage for popular extractors, strategic deprecation of a legacy extractor to streamline maintenance and security posture, and comprehensive code cleanup to improve maintainability and compatibility across extractors. The work reduces risk, accelerates reliable downloads, and demonstrates strong cross-functional collaboration and technical rigor.
January 2025
4 Commits • 3 Features
Jan 1, 2025January 2025 monthly summary for yt-dlp/yt-dlp focusing on delivered features, major fixes, overall impact, and skills demonstrated. Highlights include security-enhanced media access via signed URL support, expanded format and metadata coverage for popular extractors, strategic deprecation of a legacy extractor to streamline maintenance and security posture, and comprehensive code cleanup to improve maintainability and compatibility across extractors. The work reduces risk, accelerates reliable downloads, and demonstrates strong cross-functional collaboration and technical rigor.
December 2024
3 Commits • 2 Features
Dec 1, 2024December 2024 monthly summary for yt-dlp/yt-dlp focusing on extractor robustness, performance improvements, and code quality upgrades. Delivered enhancements to harden the MicrosoftEmbed extractor, enabled generator-based processing for large playlists to reduce memory usage, and upgraded lint tooling to improve maintainability. These changes increased reliability with malformed inputs, improved scalability for large playlists, and strengthened overall code quality.
3 Commits • 2 Features
Dec 1, 2024December 2024 monthly summary for yt-dlp/yt-dlp focusing on extractor robustness, performance improvements, and code quality upgrades. Delivered enhancements to harden the MicrosoftEmbed extractor, enabled generator-based processing for large playlists to reduce memory usage, and upgraded lint tooling to improve maintainability. These changes increased reliability with malformed inputs, improved scalability for large playlists, and strengthened overall code quality.
December 2024
November 2024
13 Commits • 4 Features
Nov 1, 2024Month: 2024-11 — yt-dlp/yt-dlp delivered notable cross-platform extractor enhancements, YouTube extraction improvements, security hardening, playback quality refinements, and ongoing codebase maintenance. The work expanded platform coverage to BFMTV, Dailymotion (short URLs), Rutube, and Bandlab across tracks, posts, revisions, videos, albums, and collections; strengthened YouTube client authentication and metadata extraction; and implemented AV1-first playback sorting with HDR/VP9 handling. Security fixes addressed AES-GCM padding alignment and Cryptodome installation robustness. These efforts improved content coverage, reliability and metadata quality, and user-perceived playback, while reducing maintenance risk and laying a foundation for scalable future enhancements.
November 2024
13 Commits • 4 Features
Nov 1, 2024Month: 2024-11 — yt-dlp/yt-dlp delivered notable cross-platform extractor enhancements, YouTube extraction improvements, security hardening, playback quality refinements, and ongoing codebase maintenance. The work expanded platform coverage to BFMTV, Dailymotion (short URLs), Rutube, and Bandlab across tracks, posts, revisions, videos, albums, and collections; strengthened YouTube client authentication and metadata extraction; and implemented AV1-first playback sorting with HDR/VP9 handling. Security fixes addressed AES-GCM padding alignment and Cryptodome installation robustness. These efforts improved content coverage, reliability and metadata quality, and user-perceived playback, while reducing maintenance risk and laying a foundation for scalable future enhancements.
October 2024
1 Commits • 1 Features
Oct 1, 2024October 2024 monthly summary for yt-dlp/yt-dlp: Delivered a targeted feature enhancement to enrich Soundcloud metadata by including an artists field in the info dictionary. This involved updating the _extract_info_dict logic to populate artists from publisher_metadata and artist fields, improving metadata richness for Soundcloud tracks and enabling better attribution, search relevance, and downstream analytics.
1 Commits • 1 Features
Oct 1, 2024October 2024 monthly summary for yt-dlp/yt-dlp: Delivered a targeted feature enhancement to enrich Soundcloud metadata by including an artists field in the info dictionary. This involved updating the _extract_info_dict logic to populate artists from publisher_metadata and artist fields, improving metadata richness for Soundcloud tracks and enabling better attribution, search relevance, and downstream analytics.
October 2024
Activity
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Quality Metrics
Correctness88.4%
Maintainability86.8%
Architecture84.0%
Performance79.8%
AI Usage25.6%
Skills & Technologies
Programming Languages
JavaScriptMarkdownPythonShellTOMLYAMLcfg
Technical Skills
API IntegrationAPI InteractionAPI integrationAudio/Video ProcessingAuthentication HandlingBackend DevelopmentBug FixBuild ConfigurationBuild System ConfigurationCI/CDCLICLI DevelopmentCachingCode CleanupCode Linting
Repositories Contributed To
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